CD 565.1 unembossed (has a faint possible "1" in a circle on dome edge)

Cornflower blue with a hint of purple

Condition: numerous small chips on base

Variation 4 is less common than variation 1 and 2 in my experience. I have never seen this color in these though the NIA web site picture identification has close examples. The chipping on the base does not distract from the beauty of this insulator.

$150.00 shipping included